@misc{ZVMMF_1970_10_6_a0,
     title = {Mikhail {Alekseevich} {Lavrent'ev} is 70 years old},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1339--1340},
     publisher = {mathdoc},
     volume = {10},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1970_10_6_a0/}
}