[1]
COZMA, D. and MATEI, A. 2020. CENTER CONDITIONS FOR A CUBIC DIFFERENTIAL SYSTEM WITH ONE INVARIANT STRAIGHT LINE . Acta et Commentationes Exact and Natural Sciences. 8, 2 (Jan. 2020), 22-28. DOI:https://doi.org/10.36120/2587-3644.v8i2.22-28.