@article{ZVMMF_1973_13_3_a9,
     author = {F. F. Ivanauskas},
     title = {An investigation of the difference {Green's} function for a wave system},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {635--646},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1973_13_3_a9/}
}