Cozma, D. Center conditions for a cubic differential system with one invariant straight line and one invariant conic. "Ion Creanga" State Pedagogical University.
Chicago Style (17th ed.) CitationCozma, Dumitru. Center Conditions for a Cubic Differential System with One Invariant Straight Line and One Invariant Conic. "Ion Creanga" State Pedagogical University.
MLA (9th ed.) CitationCozma, Dumitru. Center Conditions for a Cubic Differential System with One Invariant Straight Line and One Invariant Conic. "Ion Creanga" State Pedagogical University.
Warning: These citations may not always be 100% accurate.