@article{CTGDC_1993__34_3_167_0, author = {Pultr, Ale\v{s} and Tozzi, Anna}, title = {Equationally close subframes and representation of quotient spaces}, journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques}, pages = {167--183}, publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS}, volume = {34}, number = {3}, year = {1993}, zbl = {0789.54008}, mrnumber = {1239466}, language = {en}, url = {http://www.numdam.org/item/CTGDC_1993__34_3_167_0/} }