TY - JOUR AU - Kopeček, Oldřich TI - Equation $f(p(x)) = q(f(x))$ for given real functions $p$, $q$ JO - Czechoslovak Mathematical Journal PY - 2012 SP - 1011 EP - 1032 VL - 62 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0061-2/ DO - 10.1007/s10587-012-0061-2 LA - en ID - 10_1007_s10587_012_0061_2 ER -