@article{1183523691,
author = {Levinson, N.},
title = {A polynomial canonical form for certain analytic functions of two variables at a critical point},
journal = {Bull. Amer. Math. Soc.},
volume = {66},
number = {6},
year = {1960},
pages = { 366-368},
language = {en},
url = {http://dml.mathdoc.fr/item/1183523691}
}
Levinson, N. A polynomial canonical form for certain analytic functions of two variables at a critical point. Bull. Amer. Math. Soc., Tome 66 (1960) no. 6, pp. 366-368. http://gdmltest.u-ga.fr/item/1183523691/