@article{IM2_1988_30_2_a9,
     author = {V. V. Nikulin},
     title = {On~correspondences between {K3~surfaces}},
     journal = {Izvestiya. Mathematics },
     pages = {375--383},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1988_30_2_a9/}
}