TY - JOUR AU - Karger, Adolf TI - Projective plane motions with infinitely many straight trajectories JO - Applications of Mathematics PY - 1985 SP - 36 EP - 49 VL - 30 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1985.104125/ DO - 10.21136/AM.1985.104125 LA - en ID - 10_21136_AM_1985_104125 ER -