%0 Journal Article %A S. N. Vassilyev %T Abductive reasoning in explanation problems of an observed effect %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2020 %P 90-94 %V 493 %U http://geodesic.mathdoc.fr/item/DANMA_2020_493_a17/ %G ru %F DANMA_2020_493_a17