@article{BAG_1991__31_138481,
     author = {K. Denecke},
     title = {Strong regular varieties of partial algebras {I}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {163--178},
     publisher = {mathdoc},
     volume = {31},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/BAG_1991__31_138481/}
}