For citations:
Butuzov V.F., Bychkov A.I. THE INITIAL-BOUNDARY VALUE PROBLEM FOR A SINGULARLY PERTURBED PARABOLIC EQUATION IN THE CASE OF DOUBLE AND TRIPLE ROOT OF THE DEGENERATE EQUATION. Chebyshevskii Sbornik. 2015;16(4):41-76. (In Russ.) https://doi.org/10.22405/2226-8383-2015-16-4-41-76