@article{DE_1970_6_9_a1,
     author = {E. A. Ivanov},
     title = {A problem on the diffraction of a dipole field by a circular opening in a plane screen in the presence of a circular disc coaxial with it},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1552--1561},
     publisher = {mathdoc},
     volume = {6},
     number = {9},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_9_a1/}
}