@article{10_21136_CPMF_1935_123604,
     author = {Tz\'enoff, Iv.},
     title = {Sur les lignes g\'eod\'esiques et les \'el\'ements fondamentaux des courbes trac\'ees sur une surface},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {198--199},
     publisher = {mathdoc},
     volume = {64},
     number = {6},
     year = {1935},
     doi = {10.21136/CPMF.1935.123604},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1935.123604/}
}