%0 Journal Article %A L. A. Chetkina %A E. G. Popova %A V. K. Belsky %A V. E. Zavodnik %A A. M. Andrievsky %A E. N. Sidorenko %T A system of hydrogen bonding in the crystal of $10$-carboxy-$3,8$-dinitro-$6\mathrm{H}$--dibenzo $[b,d]$ pyran-$6$-one, toluene, water $(1:1:1)$ %J Doklady Akademii Nauk %D 1988 %P 350-353 %V 301 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_301_2_a20/ %G ru %F DAN_1988_301_2_a20