%0 Journal Article %A Karger, Adolf %T Two-parametric motions in $E_3$ %J Applications of Mathematics %D 1987 %P 96-119 %V 32 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1987.104240/ %R 10.21136/AM.1987.104240 %G en %F 10_21136_AM_1987_104240