@article{DE_1987_23_9_a17,
     author = {A. Yanushauskas},
     title = {The formulation of well-posed boundary value problems for a class of systems of evolution type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1613--1617},
     publisher = {mathdoc},
     volume = {23},
     number = {9},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_9_a17/}
}