@article{DAN_1960_132_1_a40, author = {N. N. Sirota and N. M. Olekhnovich and A. U. Sheleg}, title = {Determination of the electron density distribution in crystals}, journal = {Doklady Akademii Nauk}, pages = {160--163}, publisher = {mathdoc}, volume = {132}, number = {1}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_1_a40/} }