共 4 条
[1]
EIGENVALUE BOUNDS FOR EIGENVALUE PROBLEMS WITH PARTIAL-DIFFERENTIAL EQUATIONS
[J].
ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK,
1985, 65 (03)
:129-135
[2]
KRIZEK M, 1983, RAIRO-ANAL NUMER-NUM, V17, P35
[3]
Lehmann N. J., 1949, Z ANGEW MATH MECH, V29, P341, DOI [10.1002/zamm.19502911005, DOI 10.1002/ZAMM.19502911005]
[4]
Lehmann NJ., 1950, Z ANGEW MATH MECH, V30, P1