TY - JOUR AU - Kobza, Jiří TI - Quadratic splines smoothing the first derivatives JO - Applications of Mathematics PY - 1992 SP - 149 EP - 156 VL - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1992.104498/ DO - 10.21136/AM.1992.104498 LA - en ID - 10_21136_AM_1992_104498 ER -