TY - JOUR AU - Dolejšek, V. AU - Jnanananda, Swami TI - A precise method of determining the constant of crystal grating by the combination of $phi$- and $chi$- methods JO - Časopis pro pěstování matematiky a fysiky PY - 1936 SP - 97 EP - 109 VL - 65 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1936.120837/ DO - 10.21136/CPMF.1936.120837 LA - en ID - 10_21136_CPMF_1936_120837 ER -