@article{ZVMMF_1985_25_10_a4,
     author = {V. G. Prikazchikov and A. N. Khimich},
     title = {The difference eigenvalue problem for a fourth order elliptic operator with mixed boundary conditions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1486--1495},
     publisher = {mathdoc},
     volume = {25},
     number = {10},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_10_a4/}
}