@article{IM2_2005_69_4_a1, author = {G.-M. Greuel and Vik. S. Kulikov}, title = {On symplectic coverings of the projective plane}, journal = {Izvestiya. Mathematics }, pages = {667--701}, publisher = {mathdoc}, volume = {69}, number = {4}, year = {2005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_2005_69_4_a1/} }