@article{DAN_1974_217_3_a8,
     author = {N. B. Engibaryan and M. A. Mnatsakanyan},
     title = {Linear transfer problems},
     journal = {Doklady Akademii Nauk},
     pages = {533--535},
     publisher = {mathdoc},
     volume = {217},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_217_3_a8/}
}