@article{DE_1992_28_9_a11,
     author = {Yu. V. Svishchev},
     title = {Calculation of coefficients in addition theorems for spherical wave functions and {Debye} potentials},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1573--1579},
     publisher = {mathdoc},
     volume = {28},
     number = {9},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_9_a11/}
}