@article{ZNSL_1973_31_a4,
     author = {N. Sh. Gadgibalaev},
     title = {Cohomology of cubic $Z$-rings},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {55--60},
     publisher = {mathdoc},
     volume = {31},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1973_31_a4/}
}