@article{AUCMP_1968__9_2_a1,
     author = {Pantofl{\'\i}\v{c}ek, J. and \v{S}lechta, J.},
     title = {International seminar on elementary excitation processes in crystals},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     publisher = {mathdoc},
     volume = {09},
     number = {2},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1968__9_2_a1/}
}