Search results for: Erkko Lehtonen
Algebra universalis > 2018 > 79 > 3 > 1-19
Algebra universalis > 2018 > 79 > 3 > 1-22
Discrete Applied Mathematics > 2015 > 187 > Complete > 12-18
Semigroup Forum > 2015 > 91 > 1 > 260-281
Semigroup Forum > 2014 > 88 > 3 > 702-714
Discrete Applied Mathematics > 2012 > 160 > 4-5 > 383-390
Discrete Mathematics > 2012 > 312 > 2 > 238-247
Algebra universalis > 2012 > 67 > 3 > 273-297
Algebra universalis > 2011 > 65 > 2 > 109-159