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Method of matching of asymptotic expansions. (English. Russian original) Zbl 0298.35004
Sov. Phys., Dokl. 19, 493-495 (1974); translation from Dokl. Akad. Nauk SSSR 217, 1033-1036 (1974).

MSC:
35B25 Singular perturbations in context of PDEs
35J25 Boundary value problems for second-order elliptic equations
35B20 Perturbations in context of PDEs
35C10 Series solutions to PDEs
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