Search results
Mathematical Methods in the Applied Sciences > 44 > 8 > 7343 - 7358
Applied Mathematics Letters > 2012 > 25 > 3 > 310-314
Acta Mathematica Hungarica > 2005 > 108 > 1-2 > 117-127
Acta Mathematica Hungarica > 2005 > 108 > 3 > 253-259
Algebra universalis > 2005 > 53 > 2-3 > 189-210
Discrete Mathematics > 2002 > 258 > 1-3 > 361-371