共 14 条
- [2] BALSLEV E, 1966, MATH SCAND, V19, P193
- [3] Edmunds D. E., 1987, Spectral Theory and Differential Operators
- [4] EROVENKO VA, 1994, DOKL AKAD NAUK BELAR, V38, P21
- [5] Erovenko VA, 1998, DOKL AKAD NAUK BELAR, V42, P13
- [6] EROVENKO VA, 1996, DOKL AKAD NAUK BELAR, V40, P39
- [7] EROVENKO VA, 1996, DIFF URAVN, V32, P1162
- [8] EROVENKO VA, 1997, DIFF URAVN, V33, P867
- [9] EROVENKO VA, 1996, DIFF URAVN, V32, P1024