TY - JOUR AU - Karger, Adolf TI - Two-parametric motions in $E_3$ JO - Applications of Mathematics PY - 1987 SP - 96 EP - 119 VL - 32 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1987.104240/ DO - 10.21136/AM.1987.104240 LA - en ID - 10_21136_AM_1987_104240 ER -