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@article{DM_1994_6_2_a1, author = {S. S. Marchenkov}, title = {Precomplete classes in the {Cartesian} products of $P_2$ and $P_3$}, journal = {Diskretnaya Matematika}, pages = {21--42}, publisher = {mathdoc}, volume = {6}, number = {2}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1994_6_2_a1/} }
S. S. Marchenkov. Precomplete classes in the Cartesian products of $P_2$ and $P_3$. Diskretnaya Matematika, Tome 6 (1994) no. 2, pp. 21-42. http://geodesic.mathdoc.fr/item/DM_1994_6_2_a1/