@article{AUPCM_2016_15_a7, author = {Kr\'ol-Klimkowska, El\.zbieta and Ptak, Marek}, title = {Properties of two variables {Toeplitz} type operators}, journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica}, publisher = {mathdoc}, number = {15}, year = {2016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUPCM_2016_15_a7/} }