TY - JOUR AU - Chernyavskaya, Nina A. AU - Shuster, Leonid A. TI - The Massera-Schäffer problem for a first order linear differential equation JO - Czechoslovak Mathematical Journal PY - 2022 SP - 477 EP - 511 VL - 72 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0548-20/ DO - 10.21136/CMJ.2021.0548-20 LA - en ID - 10_21136_CMJ_2021_0548_20 ER -