TY - JOUR AU - Karger, Adolf TI - Similarity motions in $E_3$ with plane trajectories JO - Applications of Mathematics PY - 1981 SP - 194 EP - 201 VL - 26 IS - 3 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1981.103911/ DO - 10.21136/AM.1981.103911 LA - en ID - 10_21136_AM_1981_103911 ER -