@article{AL_2013_52_2_a4,
     author = {Yu. N. Mal'tsev and A. S. Kuz'mina},
     title = {Describing ring varieties in which all finite rings have {Hamiltonian} zero-divisor graphs},
     journal = {Algebra i logika},
     pages = {203--218},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2013_52_2_a4/}
}