@misc{IM2_2017_81_6_a0,
     title = {Congratulations to {Evgenii} {Mikhailovich} {Chirka}},
     journal = {Izvestiya. Mathematics },
     pages = {I},
     publisher = {mathdoc},
     volume = {81},
     number = {6},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2017_81_6_a0/}
}