TY - JOUR AU - Freytes, Hector TI - An algebraic version of the Cantor-Bernstein-Schröder theorem JO - Czechoslovak Mathematical Journal PY - 2004 SP - 609 EP - 621 VL - 54 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMJ_2004__54_3_a5/ LA - en ID - CMJ_2004__54_3_a5 ER -