@article{VUU_2013_4_a15,
     author = {A. V. Borisov and A. A. Gryzlov and V. Ya. Derr and A. I. Karpov and N. V. Latypova and L. I. Rodina and E. L. Tonkov and V. N. Ushakov},
     title = {Petrov {Nikolai} {Nikandrovich} (on his sixties birthday)},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {175--180},
     publisher = {mathdoc},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2013_4_a15/}
}