00502nam a2200145Ia 4500 260219b |||||||| |||| 00| 0 eng d 517 G698.VM Gould, S. H. 15323 Variational methods for eigenvalue problems; an introduction to the Weinstein method of intermediate problems / 2nd Canada: University of Toronto Press, 1966 xvi, 275p. Index Mathematical Expositions no. 10 ddc BK 0 0 0 517_000000000000000_G698_VM 0 16483 ISI ISI 1998-09-23 0 517 G698.VM DP15864 2019-02-14 00:00:00 BK 13552 13552