共 13 条
[4]
KANTOROVITCH LV, 1958, APPROXIMATE METHODS
[6]
Lin CC., 1955, THEORY HYDRODYNAMIC
[7]
Liusternik L. A., 1961, ELEMENTS FUNCTIONAL
[8]
Mikhlin S G, 1964, VARIATIONAL METHODS
[9]
OSBORN EE, 1958, SIAM, V6, P279
[10]
RALSTON A, 1962, MATHEMATICAL METH ED