@article{ZVMMF_1988_28_9_a1,
     author = {L. T. Poznyak},
     title = {An estimate of the rate of convergence of {Weinstein's} method in the eigenvalue problem for an {L-shaped} membrane},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1297--1310},
     publisher = {mathdoc},
     volume = {28},
     number = {9},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1988_28_9_a1/}
}