A BOUNDARY VALUE PROBLEM FOR THE ELLIPTIC EQUATION OF SECOND ORDER IN A DOMAIN WITH A NARROW SLIT. 1. THE TWO-DIMENSIONAL CASE
- 30 April 1976
- journal article
- Published by Steklov Mathematical Institute in Mathematics of the USSR-Sbornik
- Vol. 28 (4), 459-480
- https://doi.org/10.1070/sm1976v028n04abeh001663