%0 Journal Article %A Liudmila Keldysh %T Pseudoisotopy for some locally knotted simple arcs in $E^3$ %J Doklady Akademii Nauk %D 1971 %P 21-23 %V 200 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_200_1_a3/ %G ru %F DAN_1971_200_1_a3