@article{DE_2006_42_9_a5,
     author = {I. V. Romanovski and L. A. Yanovich},
     title = {On a class of linear integro-differential equations in variational derivatives},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1214--1221},
     publisher = {mathdoc},
     volume = {42},
     number = {9},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_9_a5/}
}