共 58 条
[51]
Plakhotnik V. V., 1976, IZV AKAD NAUK SSSR, V40, P527
[54]
Sergeichuk V. V., 1991, FUNKT ANAL PRIL, V25, P65
[55]
SIMSON D, 1990, CR ACAD SCI I-MATH, V311, P5
[57]
Zavadskii A. G., 1976, 763 I MATH UKR AC SC