TY - JOUR AU - Zahiri, Saeide AU - Borumand Saeid, Arsham TI - An investigation on the $n$-fold IVRL-filters in triangle algebras JO - Mathematica Bohemica PY - 2020 SP - 75 EP - 91 VL - 145 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2019.0104-17/ DO - 10.21136/MB.2019.0104-17 LA - en ID - 10_21136_MB_2019_0104_17 ER -