Afișare rezultate

Integrability conditions for a cubic differential system with a bundle of two invariant straight lines and one invariant cubic

Cozma Dumitru, Dascalescu Anatolii

Tiraspol State University

Conference of Mathematical Society of the Republic of Moldova

4. 2017. Chişinău. ISBN 978-9975-71-915-5.

Disponibil online 5 October, 2017. Descarcări-0. Vizualizări-669

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On integrability of homogeneous rational equations

Cozma Dumitru, Matei Angela

Tiraspol State University

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(10) / 2020 / ISSN 2537-6284 /ISSNe 2587-3644

Disponibil online 16 January, 2021. Descarcări-5. Vizualizări-454

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Integrability conditions for Lotka-Volterra differential system with a bundle of two invariant straight lines and one invariant cubic

Cozma Dumitru, Druţă Rodica

Tiraspol State University

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(6) / 2018 / ISSN 2537-6284 /ISSNe 2587-3644

Disponibil online 31 July, 2019. Descarcări-5. Vizualizări-619

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Center problem for cubic systems with a bundle of two invariant straight lines and one invariant conic

Cozma Dumitru

Tiraspol State University

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 1(68) / 2012 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 7 December, 2013. Descarcări-9. Vizualizări-1106

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Center problem for a class of cubic systems with a bundle of two invariant straight lines and one invariant conic

Cozma Dumitru

Tiraspol State University

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 3(64) / 2010 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 17 December, 2013. Descarcări-1. Vizualizări-980

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Integrability of lotka-volterra differential equation via integrating factors

Cozma Dumitru

"Ion Creangă" State Pedagogical University from Chisinau

Science and education: new approaches and perspectives

Seria 25, Vol.3. 2023. Chişinău. ISBN 978-9975-46-787-2.

Disponibil online 29 October, 2023. Descarcări-0. Vizualizări-145

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Solution of the problem of the centre for cubic differential system with three invariant straight lines in generic position

Şubă Alexandru1, Cozma Dumitru2

1 Moldova State University, 2 Tiraspol State University

Qualitative Theory of Dynamical Systems

Nr. / 2005 / ISSN 1575-5460 /ISSNe 1662-3592

Disponibil online 13 September, 2023. Descarcări-1. Vizualizări-100

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Solution of the problem of the centre for a cubic differential system with three invariant straight lines

Cozma Dumitru1, Şubă Alexandru2

1 Tiraspol State University, 2 Moldova State University

Qualitative Theory of Dynamical Systems

Nr. / 2001 / ISSN 1575-5460 /ISSNe 1662-3592

Disponibil online 13 September, 2023. Descarcări-1. Vizualizări-88

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