@article{ISU_2010_10_2_a0,
     author = {V. E. Lopatkin},
     title = {Cohomology rings of semicubecal sets},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {3--10},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2010_10_2_a0/}
}