1. V. A. Beloshapko, V. F. Butuzov, “A singularly perturbed elliptic problem in the case of a multiple root of the degenerate equation”, Comput. Math. Math. Phys., 53:8 (2013), 1117–1127  mathnet  crossref  crossref  mathscinet  isi  elib  elib
  2. Butuzov V.F., Bychkov A.I., “Asymptotics of the Solution of an Initial-Boundary Value Problem for a Singularly Perturbed Parabolic Equation in the Case of Double Root of the Degenerate Equation”, Differ. Equ., 49:10 (2013), 1261–1273  crossref  mathscinet  zmath  isi  elib  scopus
Previous
1
2