Search results
Acta Mathematica Hungarica > 2018 > 154 > 2 > 429-456
Acta Mathematica Hungarica > 2017 > 152 > 1 > 72-83
Semigroup Forum > 2017 > 94 > 2 > 371-389
Acta Mathematica Hungarica > 2015 > 146 > 2 > 341-375
Applied Categorical Structures > 2011 > 19 > 2 > 539-555
Russian Mathematics > 2011 > 55 > 7 > 9-16
Russian Mathematics > 2011 > 55 > 7 > 56-67
Russian Mathematics > 2009 > 53 > 3 > 1-28
Advances in Mathematics > 2008 > 218 > 5 > 1604-1653
Siberian Mathematical Journal > 2007 > 48 > 1 > 156-164
Fuzzy Sets and Systems > 1998 > 96 > 2 > 239-245