%0 Journal Article %A Turunen, E. %T On generalized fuzzy relation equations: necessary and sufficient conditions for the existence of solutions %J Acta Universitatis Carolinae. Mathematica et Physica %D 1987 %P 33-37 %V 28 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUCMP_1987__28_1_a5/ %G en %F AUCMP_1987__28_1_a5