@article{DE_2004_40_8_a8,
     author = {I. I. Bavrin and O. E. Yaremko},
     title = {Transformation {Operators} and {Boundary} {Value} {Problems}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1085--1095},
     publisher = {mathdoc},
     volume = {40},
     number = {8},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2004_40_8_a8/}
}