@article{DAN_1960_132_5_a21, author = {L. A. Khalfin}, title = {Relationship between the law of decay and the first order moment of energy distribution}, journal = {Doklady Akademii Nauk}, pages = {1051--1054}, publisher = {mathdoc}, volume = {132}, number = {5}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_5_a21/} }