@article{VMJ_2010_12_2_a7,
     author = {S. S. Goncharov and A. G. Kusraev and S. S. Kutateladze and I. A. Lavrov and V. D. Mazurov and A. S. Morozov and M. V. Semenova},
     title = {Yurii {Leonidovich} {Ershov} (on his seventieth birthday)},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {75--78},
     year = {2010},
     volume = {12},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2010_12_2_a7/}
}