@article{RSMUP_1976__56__67_0, author = {Makowsky, J. A. and Marcja, A.}, title = {Problemi di decidibilit\`a in logica topologica}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, pages = {67--78}, publisher = {Seminario Matematico of the University of Padua}, volume = {56}, year = {1976}, mrnumber = {476473}, zbl = {0402.03020}, language = {it}, url = {http://archive.numdam.org/item/RSMUP_1976__56__67_0/} }