Șubă, A. Centers of cubic differential systems with the line at infinity of maximal multiplicity. "Ion Creanga" State Pedagogical University.
Chicago Style (17th ed.) CitationȘubă, Alexandru. Centers of Cubic Differential Systems with the Line at Infinity of Maximal Multiplicity. "Ion Creanga" State Pedagogical University.
MLA (9th ed.) CitationȘubă, Alexandru. Centers of Cubic Differential Systems with the Line at Infinity of Maximal Multiplicity. "Ion Creanga" State Pedagogical University.
Warning: These citations may not always be 100% accurate.