@article{MAT_1966_10_6_a0,
     author = {D. Mumford},
     title = {The topology of normal singularities of an algebraic surface and a criterion for simplicity},
     journal = {Matematika},
     pages = {3--24},
     publisher = {mathdoc},
     volume = {10},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1966_10_6_a0/}
}