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@article{DAN_1969_187_4_a22, author = {B. M. Smirnov}, title = {Constant of stepwise ionization of atoms}, journal = {Doklady Akademii Nauk}, pages = {787--790}, publisher = {mathdoc}, volume = {187}, number = {4}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a22/} }
B. M. Smirnov. Constant of stepwise ionization of atoms. Doklady Akademii Nauk, Tome 187 (1969) no. 4, pp. 787-790. http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a22/