TY - JOUR AU - Pech, Pavel TI - Chords and arclength of a closed space curve JO - Czechoslovak Mathematical Journal PY - 1992 SP - 471 EP - 474 VL - 42 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1992.128343/ DO - 10.21136/CMJ.1992.128343 LA - en ID - 10_21136_CMJ_1992_128343 ER -