@article{DE_2001_37_4_a7,
     author = {L. A. Alexeyeva and G. K. Zakir'yanova},
     title = {The {Green} {Matrix} for {Strictly} {Hyperbolic} {Systems} with {Second-Order} {Derivatives}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {488--494},
     publisher = {mathdoc},
     volume = {37},
     number = {4},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_4_a7/}
}