TY - JOUR AU - Segeth, Karel TI - Universal approximation by systems of hill functions JO - Applications of Mathematics PY - 1974 SP - 403 EP - 436 VL - 19 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1974.103558/ DO - 10.21136/AM.1974.103558 LA - en ID - 10_21136_AM_1974_103558 ER -