@article{GDZPPN002292076, title = {An Extension of Boolean Lattice Theory.}, journal = {Mathematische Annalen}, volume = {152}, year = {1963}, pages = {332-345}, zbl = {0122.26002}, url = {http://dml.mathdoc.fr/item/GDZPPN002292076} }
SUBRAHMANYAM, N.V. An Extension of Boolean Lattice Theory.. Mathematische Annalen, Tome 152 (1963) pp. 332-345. http://gdmltest.u-ga.fr/item/GDZPPN002292076/