%0 Journal Article %A F. G. Valitova %A A. V. Il'yasov %T Electron paramagnetic resonance in concentrated solutions of $\alpha$,$\alpha$-diphenyl-$\beta$-pycrylhydrazyl %J Doklady Akademii Nauk %D 1962 %P 600-601 %V 144 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_144_3_a35/ %G ru %F DAN_1962_144_3_a35