@article{DE_1972_8_3_a21,
     author = {I. V. Parkhimovich},
     title = {Multipoint boundary value problems for linear integro-differential equations in a class of smooth functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {549--552},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_3_a21/}
}