@article{DE_1990_26_1_a27,
     author = {Yu. A. Grigor'ev},
     title = {Some conditions for the solvability of equations of convolution type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {178--179},
     year = {1990},
     volume = {26},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_1_a27/}
}