@article{ZVMMF_1975_15_3_a7,
     author = {G. P. Gushchin and A. V. Sergievskii},
     title = {On the numerical integration of a system of linear equations with a small imaginary parameter multiplying the derivative},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {627--634},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1975_15_3_a7/}
}