TY - JOUR AU - Zoltán Boros AU - Mehak Iqbal AU - Arpád Száz TI - A relational improvement of a true particular case of Fierro's maximality theorem JO - Filomat PY - 2022 SP - 7091 VL - 36 IS - 20 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2220091B/ DO - 10.2298/FIL2220091B LA - en ID - 10_2298_FIL2220091B ER -