@article{DE_1977_13_9_a16,
     author = {V. I. Wolman and Yu. A. Pampu},
     title = {The {Riemann} function for the equation $\Delta u_m+\frac1r\cdot\frac{\partial u_m}{\partial r}+\bigl(1-\frac{m^2}{r^2}\bigr)u_m=0$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1709--1712},
     publisher = {mathdoc},
     volume = {13},
     number = {9},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_9_a16/}
}