@article{ISU_2018_18_4_a12,
     author = {Yu. N. Radayev},
     title = {Professor {Leonid} {Yu.} {Kossovich} (to the 70$^{\mathrm {th}}$ anniversary)},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {507--521},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2018_18_4_a12/}
}