@article{VMUMM_1984_1_a22,
     author = {O. B. Lupanov and E. V. Maikov and \`E. G. Poznyak and A. K. Rybnikov and I. Kh. Sabitov and V. A. Sadovnichii},
     title = {To the memory of {Nikolai} {Vladimirovich} {Efimov}},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {94--97},
     publisher = {mathdoc},
     number = {1},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1984_1_a22/}
}