%D 2022 %O Bibliogr.: p. 14-15. ; ĂśsszefoglalĂĄs angol nyelven %N 22 %C Szeged %X In this paper, we give the necessary and sufficient conditions for a class of higher degree polynomial systems to have a weak center. As corollaries, we prove the correctness of the two conjectures about the weak center problem for the Îâ⌠differential systems. %L acta75837 %T Weak center for a class of Îâ⌠differential systems %A Zhou Zhengxin %K DifferenciĂĄlrendszer, DifferenciĂĄlegyenlet