@article{GDZPPN00117925X,
title = {Numerical Computation of Nonsimple Turning Points and Cusps.},
journal = {Numerische Mathematik},
volume = {46},
year = {1985},
pages = {189-212},
zbl = {0543.65040},
url = {http://dml.mathdoc.fr/item/GDZPPN00117925X}
}
Roose, Dirk; Piessens, Robert. Numerical Computation of Nonsimple Turning Points and Cusps.. Numerische Mathematik, Tome 46 (1985) pp. 189-212. http://gdmltest.u-ga.fr/item/GDZPPN00117925X/