@article{CMJ_2016_66_3_a0, author = {Engli\v{s}, Miroslav}, title = {Preface}, journal = {Czechoslovak Mathematical Journal}, pages = {583--583}, year = {2016}, volume = {66}, number = {3}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_2016_66_3_a0/} }