共 9 条
- [2] BABUSKA I, 1981, WUCCM791 SINUM WASH
- [3] Bergh J., 1976, GRUNDLEHREN MATH WIS
- [4] Ciarlet PG., 1978, FINITE ELEMENT METHO
- [5] DEVORE R, 1979, QUANTITATIVE APPROXI
- [6] GRISVARD P, 1980, LECTURE NOTES U MARY, V19
- [7] Kondratiev V.A., 1967, T MOSCOW MATH SOC, V16, P227
- [8] Stein E. M., 1970, SINGULAR INTEGRAL DI
- [9] WIDLUND O, 1977, NUMER MATH, V27, P327, DOI 10.1007/BF01396181