@article{DE_1987_23_10_a28,
     author = {G. A. Sviridyuk},
     title = {The {Cauchy} problem for a linear operator equation of {Sobolev} type with a nonpositive operator multiplying the derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1823--1826},
     publisher = {mathdoc},
     volume = {23},
     number = {10},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_10_a28/}
}