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@article{NSJOM_2010_40_2a_15, author = {J\"org Koppitz, and Tiwadee Musunthia}, title = {Hypersubstitutions for varieties of rings}, journal = {Novi Sad Journal of Mathematics}, pages = {55-65}, publisher = {mathdoc}, volume = {40}, number = {2}, year = {2010}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2010_40_2a_15/} }
Jörg Koppitz,; Tiwadee Musunthia. Hypersubstitutions for varieties of rings. Novi Sad Journal of Mathematics, Tome 40 (2010) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_2010_40_2a_15/