%0 Journal Article %A Bouchal, F. %A Dolejšek, V. %T An extension of the precise method of Kunzl and Köppel for determining the constants of a crystal grating %J Časopis pro pěstování matematiky a fysiky %D 1936 %P 33-39 %V 65 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1936.123703/ %R 10.21136/CPMF.1936.123703 %G en %F 10_21136_CPMF_1936_123703