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@article{DAN_1965_165_3_a21, author = {L. A. Khalfin}, title = {A contribution to the quantum theory of unstable elementary particles}, journal = {Doklady Akademii Nauk}, pages = {541--544}, publisher = {mathdoc}, volume = {165}, number = {3}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_165_3_a21/} }
L. A. Khalfin. A contribution to the quantum theory of unstable elementary particles. Doklady Akademii Nauk, Tome 165 (1965) no. 3, pp. 541-544. http://geodesic.mathdoc.fr/item/DAN_1965_165_3_a21/