@article{1183425277,
author = {Safford, F. H.},
title = {Parametric equations of the path of a projectile when the air resistance varies as the $n$th power of the velocity},
journal = {Bull. Amer. Math. Soc.},
volume = {27},
number = {3},
year = {1920},
pages = { 289-293},
language = {en},
url = {http://dml.mathdoc.fr/item/1183425277}
}
Safford, F. H. Parametric equations of the path of a projectile when the air resistance varies as the $n$th power of the velocity. Bull. Amer. Math. Soc., Tome 27 (1920) no. 3, pp. 289-293. http://gdmltest.u-ga.fr/item/1183425277/