%0 Journal Article %A I. R. Krichevskii %A G. D. Efremova %A G. G. Leont'eva %T On thermal stability of complexes formed by urea with organic compounds %J Doklady Akademii Nauk %D 1957 %P 817-819 %V 113 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_4_a21/ %G ru %F DAN_1957_113_4_a21