@article{Bonch-Bruevich:1973,author = {A. M. Bonch-Bruevich and Yu. N. Denisyuk and F. I. Fedorov and P. P. Feofilov},title = {Boris Ivanovich Stepanov (on his sixtieth birthday)},publisher = {Physics-Uspekhi},year = {1973},journal = {Phys. Usp.},volume = {16},number = {3},pages = {442-443},url = {https://ufn.ru/en/articles/1973/3/m/},doi = {10.1070/PU1973v016n03ABEH005195}}