[
[1] R. J. Bignall, J. Leech, Skew Boolean algebras and discriminator varieties, Algebra Univ, 33 (1995), 387-398.10.1007/BF01190707
]Search in Google Scholar
[
[2] A. Borumand Saeid, R. Koohnavard, On residuated skew lattices, Analele. Stiintific ale Universitatii Ovidius Constanta, 27(1) (2019), 245-268.10.2478/auom-2019-0013
]Search in Google Scholar
[
[3] M. Harlenderov, J. Rachunek, Modal operators on MV-algebras,Math. Bohem, 131 (2006), 39-48.10.21136/MB.2006.134083
]Search in Google Scholar
[
[4] J. Leech, Skew lattices, Unpublished Book.
]Search in Google Scholar
[
[5] M. Kondo, Modal operators on commutative residuated lattices, Mathematica Slovaca, 61(1) (2011), 1-14.10.2478/s12175-010-0055-1
]Search in Google Scholar
[
[6] R. Koohnavard, A. Borumand Saeid, (Skew) filters in residuated skew lattices, Scientific Annals of Computer Science, 28(1) (2018), 115-140.10.7561/SACS.2018.1.115
]Search in Google Scholar
[
[7] R. Koohnavard, A. Borumand Saeid, (Skew) filters in residuated skew lattices: Part II, Honam Mathematical Journal, 40(3) (2018), 401-431.10.7561/SACS.2018.1.115
]Search in Google Scholar
[
[8] R. Koohnavard, A. Borumand Saeid, On pseudo residuated skew lattices, Boletn de la Sociedad Matemtica Mexicana, 26 (2020), 775-794.10.1007/s40590-020-00289-w
]Search in Google Scholar
[
[9] R. Koohnavard, A. Borumand Saeid, Filters theory on pseudo residuated skew lattices, Afrika Mathematical, 31 (2020), 1251-1271.10.1007/s13370-020-00793-2
]Search in Google Scholar
[
[10] R. Koohnavard, A. Borumand Saeid, States on residuated skew lattices, New Mathematics and Natural Computation, 17(2) (2021), 481-503.10.1142/S1793005721500241
]Search in Google Scholar
[
[11] D. S. Macnab, Modal operators on Heyting algebras, Alg. Univ. 12 (1981), 5-29.10.1007/BF02483860
]Search in Google Scholar
