@article{CTGDC_1994__35_2_139_0,
     author = {Koubek, V. and Sichler, J.},
     title = {Finitely generated universal varieties of distributive double $p$-algebras},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {139--164},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {35},
     number = {2},
     year = {1994},
     mrnumber = {1280987},
     zbl = {0905.06008},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1994__35_2_139_0/}
}