TY - JOUR AU - Eleftherios Tachtsis TI - On the existence of almost disjoint and MAD families without $\mathsf {AC}$ JO - Bulletin of the Polish Academy of Sciences. Mathematics PY - 2019 SP - 101 EP - 124 VL - 67 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ba8148-3-2019/ DO - 10.4064/ba8148-3-2019 LA - en ID - 10_4064_ba8148_3_2019 ER -