@article{AUCMP_2002_43_2_a0, author = {Holick\'y, Petr and Balcar, Bohuslav}, title = {Foreword}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {3}, year = {2002}, volume = {43}, number = {2}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_2002_43_2_a0/} }