%0 Journal Article %A Ulrich D. Jentschura %A Andrey Surzhykov %A Jean Zinn-Justin %T Generalized Nonanalytic Expansions, $\mathcal{PT}$-Symmetry and Large-Order Formulas for Odd Anharmonic Oscillators %J Symmetry, integrability and geometry: methods and applications %D 2009 %V 5 %U http://geodesic.mathdoc.fr/item/SIGMA_2009_5_a4/ %G en %F SIGMA_2009_5_a4