共 4 条
[1]
Collatz L., 1933, Z ANGEW MATH MECH, V13, P56
[2]
Error assessment for the balance technique for the solution of partial differential equations.
[J].
ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK,
1930, 10
:373-382
[3]
LAASONEN P, 1957, ANN ACAD SCI FINN A, V1, P246
[4]
LAASONEN P, 1957, ANN ACAD SCI FENN A, V1, P241