Painlevé analysis of a class of nonlinear diffusion equations.
Parameter shifting and complete families of solutions to a singular parabolic equation
Partielle Differentialgleichungen und deren Anwendung auf physicalische Fragen [Book]
Periodic solutions of abstract differential equations: the Fourier method
Perturbation expansions for eigenvalues and eigenvectors for a rectangular membrane subject to a restorative force.
Planar binary trees and perturbative calculus of observables in classical field theory
Polynomial expansions of solutions of ... .
Power and exponential-power series solutions of evolution equations