中国科学院数学与系统科学研究院期刊网
Matrix Representations of Fourth Order Boundary Value Problems with Eigenparameter-Dependent Boundary Conditions
Ji Jun AO, Fang Zhen BO
Acta Mathematica Sinica, Chinese Series . 2017, (3): 427 -438 .  DOI: 10.12386/A2017sxxb0035