@article{李永祥_287, author = {[李永祥, 张丽娟]}, title = {完全二阶常微分方程的奇周期解}, publisher = {数学学报}, year = {2022}, journal = {数学学报}, volume = {65}, number = {2}, eid = {287}, pages = {287-300}, keywords = {完全二阶常微分方程;奇周期解;Leray-Schauder不动点定理;凸锥}, doi = https://actamath.cjoe.ac.cn/Jwk_sxxb_cn/CN/10.12386/A2022sxxb0022 }