@article{KVANT_2017_1_a6, author = {A. A. Leonovich}, title = {{\CYRF}{\cyri}{\cyrz}{\cyri}{\cyrk}{\cyra}+{\cyrf}{\cyra}{\cyru}{\cyrn}{\cyra}}, journal = {Kvant}, pages = {24--25}, publisher = {mathdoc}, number = {1}, year = {2017}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2017_1_a6/} }