@article{IM2_2006_70_4_a5,
     author = {Vik. S. Kulikov and V. M. Kharlamov},
     title = {Surfaces with {DIF}$\ne${DEF} real structures},
     journal = {Izvestiya. Mathematics },
     pages = {769--807},
     publisher = {mathdoc},
     volume = {70},
     number = {4},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2006_70_4_a5/}
}