%0 Journal Article %A A. V. Topchiev %A N. N. Kaptsov %A L. N. Zalesskaya %T Nitration of paraoxydiphenyldimethylmethane acetate in the presence of urea %J Doklady Akademii Nauk %D 1960 %P 371-373 %V 132 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_132_2_a30/ %G ru %F DAN_1960_132_2_a30