@article{10_21136_AM_1984_104067, author = {Kargerov\'a, Marie}, title = {Projective plane motions with straight trajectories}, journal = {Applications of Mathematics}, pages = {45--51}, publisher = {mathdoc}, volume = {29}, number = {1}, year = {1984}, doi = {10.21136/AM.1984.104067}, mrnumber = {0729952}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1984.104067/} }