Discrete Sturm-Liouville operators and some problems of function theory E. M. Nikishin OriginalPaper Pages: 2679 - 2744
Spectral asymptotics of differential and pseudodifferential operators. II K. Kh. Boimatov OriginalPaper Pages: 2744 - 2769
Identities for eigenfunctions of ordinary differential operators G. S. Tipenko OriginalPaper Pages: 2770 - 2779
