@article{KUKZ_1977_14_14_a2,
     author = {L. A. Aksent'ev and P. L. Shabalin},
     title = {Problems of {S.} {N.~Andrianov}},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {28--35},
     year = {1977},
     volume = {14},
     number = {14},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1977_14_14_a2/}
}