@article{ZVMMF_1967_7_4_a1,
     author = {F. Kuhnert},
     title = {The convergence of the method of false perturbations for calculating eigenvalues},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {752--763},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1967_7_4_a1/}
}