@article{DE_2002_38_7_a0,
     author = {I. V. Gaishun and N. A. Izobov and V. A. Il'in and I. T. Kiguradze and L. D. Kudryavtsev and V. P. Maksimov and N. Kh. Rozov and T. K. Shemjakina},
     title = {N. {V.} {Azbelev} {(A} tribute on the occasion of his 80th birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {867--869},
     publisher = {mathdoc},
     volume = {38},
     number = {7},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_7_a0/}
}