@article{AUCMP_2004__45_2_a0,
     author = {Balcar, Bohuslav and Ti\v{s}er, Jaroslav},
     title = {Foreword},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {3--4},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_2004__45_2_a0/}
}