@article{10_2298_FIL2220091B,
     author = {Zolt\'an Boros and Mehak Iqbal and Arp\'ad Sz\'az},
     title = {A relational improvement of a true particular case of {Fierro's} maximality theorem},
     journal = {Filomat},
     pages = {7091 },
     year = {2022},
     volume = {36},
     number = {20},
     doi = {10.2298/FIL2220091B},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2220091B/}
}