SARWAR Qanitah1，黄振友1，ZAHID Abdul Hannan2,3，XU Xin-Jian1（Department of Applied Mathematics，Nanjing University of Science and Technology；Department of Chemical Engineering，University of Gujrat；Key Laboratory for Soft Chemistry and Functional Materials，Ministry of Education，Nanjing University of Science and Technology）.具有勢壘的Sturm-Liouville算子的特徵值和特徵函數[J].Chinese Quarterly Journal of Mathematics,2023,第1期