@article{ZVMMF_1979_19_3_a6,
     author = {A. A. Bykov and A. S. Il'inskii},
     title = {Solution of boundary value problems for linear systems of ordinary differential equations by the method of directed orthogonalization},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {631--639},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1979_19_3_a6/}
}