Differential Equations & Applications · Volume 13, Issue 2 A complete Frobenius type method for linear partial differential equations of third order 13-08 Pages 115-149 DOI 10.7153/dea-2021-13-08 Downloads Short PDF Full PDF PNG Authors V. León B. Scárdua Keywords Frobenius method regular singularity partial differential equation Subject classes 35A20 35A24 35A30 35C10