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@article{DAN_1961_141_3_a22, author = {L. A. Khalfin}, title = {Quantum theory of unstable elementary particles}, journal = {Doklady Akademii Nauk}, pages = {599--602}, publisher = {mathdoc}, volume = {141}, number = {3}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_3_a22/} }
L. A. Khalfin. Quantum theory of unstable elementary particles. Doklady Akademii Nauk, Tome 141 (1961) no. 3, pp. 599-602. http://geodesic.mathdoc.fr/item/DAN_1961_141_3_a22/