@article{10_4064_ap_2_2_215_218,
     author = {Stanis{\l}aw Go{\l}\k{a}b},
     title = {On the concept of the centre of the second curvature and on a generalization of a certain geometrical meaning of v. {Lilienthal}},
     journal = {Annales Polonici Mathematici},
     pages = {215--218},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {1955},
     doi = {10.4064/ap-2-2-215-218},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-2-2-215-218/}
}