@article{DAN_1961_138_1_a23, author = {Yu. N. Demkov}, title = {The virial theorem in the classical problem of the scattering of particles by a center of force}, journal = {Doklady Akademii Nauk}, pages = {86--89}, publisher = {mathdoc}, volume = {138}, number = {1}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_1_a23/} }