%0 Journal Article %A P. P. Budnikov %A V. S. Gorshkov %T The stability of calcium hydrosulphoaluminate in the portland cement stone %J Doklady Akademii Nauk %D 1957 %P 1272-1275 %V 113 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_6_a21/ %G ru %F DAN_1957_113_6_a21