@article{MZ_1962__79_170056,
     author = {Alfred L. Foster},
     title = {Generalized equational maximality and primal-in-the-small algebras.},
     journal = {Mathematische Zeitschrift},
     pages = {127--146},
     publisher = {mathdoc},
     volume = {79},
     year = {1962},
     zbl = {0113.24903},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__79_170056/}
}