1. Borel summation of adiabatic invariants;Costin;Nonlinearity,2004
2. Existence and uniqueness for a class of nonlinear higher-order partial differential equations in the complex plane;Costin;Comm. Pure Appl. Math.,2000
3. Nonlinear evolution PDEs in R+×Cd: existence and uniqueness of solutions, asymptotics and Borel summability;Costin;Ann. Inst. H. Poincaré Anal. Non Linéaire,2007
4. O. Costin, Global reconstruction of analytic functions from local expansions and a new general method of converting sums into integrals, preprint.
5. Divergent solutions of the heat equation: on an article of Lutz, Miyake and Schäfke;Balser;Pacific J. Math.,1999