[1] Borzooei, R.A., Khosravi Shoar, S., and Ameri, R., Some types of filters in MTL-algebras, Fuzzy Sets and Systems 187(1) (2012), 92-102.
[2] Cignoli, R., D'ottaviano, I., and Mundici, D., "Algebraic Foundations of Many-Valued Reasoning", Springer, Trends in Logic 7, 2000.
[3] Ciungu, L.C., Internal states on equality algebras, Soft Computing 19(4) (2015), 939-953.
[4] Esteva, F. and Godo, L., Monoidal t-normbased logic: towards a logic for left-continuous t-norms, Fuzzy Sets and Systems, 124(3) (2001), 271-288.
[5] H'ajek, P., "Metamathematics of Fuzzy Logic", Springer, Trends in Logic 4, 1998.
[6] Haveshki, M., Borumand Saeid, A., and Eslami, E., Some types of filters in BL algebras, Soft Computing 10(8) (2006), 657-664.
[7] Jenei, S., Equality algebras, Studia Logica 100(6) (2012), 1201-1209.
[8] Jenei, S. and K'or'odi, L., On the variety of equality algebras, Fuzzy Logic and Technology (2011), 153-155.
[9] Liu, L., On the existence of states on MTL-algebras, Inform. Sci. 220 (2013), 559-567.
[10] Liu, L. and Zhang, X., Implicative and positive implicative prefilters of EQ-algebras, J. Intell. Fuzzy Systems 26(5) (2014), 2087-2097.
[11] Nov'ak, V. and De Baets, B., EQ-algebras, Fuzzy Sets and Systems 160(20) (2009), 2956-2978.
[12] Rezaei, A., Borumand Saeid, A., and Borzooei, R.A., Some types of filters in BE-algebras, Math. Comput. Sci. 7(3) (2013), 341-352.
[13] Van Gasse, B., Deschrijver, G., Cornelis, C., and Kerre, E.E., Filters of residuated lattices and triangle algebras, Inform. Sci. 180(16) (2010), 3006-3020.
[14] Zebardast, F., Borzooei, R.A., and Aaly Kologani, M., Results on Equality algebras, Inform. Sci. 381 (2017), 270-282.