Media type: E-Article Title: Nilpotent centers of cubic systems Contributor: Andreev, A. F.; Andreeva, I. A.; Detchenya, L. V.; Makovetskaya, T. V.; Sadovskii, A. P. imprint: Pleiades Publishing Ltd, 2017 Published in: Differential Equations Language: English DOI: 10.1134/s0012266117080018 ISSN: 0012-2661; 1608-3083 Origination: Footnote: