The Existence and Uniqueness of the Solution for Periodical Boundary Value Problems of 2kth Order Differential Equations with Resonance

FENG Yan-qing, WANG Zhong-ying

Chinese Quarterly Journal of Mathematics . 2014, (2): 203 -209 . DOI: 10.13371/j.cnki.chin.q.j.m.2014.02.007