@article{CMUC_1988__29_1_a22, author = {Ba\v{s}tinec, Jarom{\'\i}r}, title = {Nets satisfying the quadrangle condition {[Abstract} of thesis]}, journal = {Commentationes Mathematicae Universitatis Carolinae}, publisher = {mathdoc}, volume = {29}, number = {1}, year = {1988}, zbl = {0637.51007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1988__29_1_a22/} }