%0 Journal Article %A V. P. Zhuravlev %T On causes of polypropylene loosening under tension %J Doklady Akademii Nauk %D 1977 %P 1087-1090 %V 236 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_236_5_a12/ %G ru %F DAN_1977_236_5_a12