%0 Journal Article %A È. A. Sosnin %A B. N. Poizner %T Meaningful scientific activity: On the life of knowledge in the form of scientific propositions %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2015 %P 57-66 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2015_23_2_a4/ %G ru %F IVP_2015_23_2_a4