@article{ZVMMF_1986_26_9_a6,
     author = {A. M. Berezman and M. K. Kerimov and S. L. Skorokhodov and G. A. Shadrin},
     title = {Calculation of eigenvalues of the {Mathieu} equation with a complex parameter},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1350--1361},
     year = {1986},
     volume = {26},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_9_a6/}
}