@article{AUCMP_1999__40_2_a1, author = {Holick\'y, Petr and Balcar, Bohuslav}, title = {Foreword}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, publisher = {mathdoc}, volume = {40}, number = {2}, year = {1999}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1999__40_2_a1/} }