@article{VTGU_2013_1_a12,
     author = {A. V. Starchenko and M. D. Mikhailov},
     title = {V. {N.~Bertsun.} {To} the 70$^{\mathrm{th}}$ anniversary},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {112--115},
     year = {2013},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2013_1_a12/}
}