A. G. Kuz'min, “Investigation of boundary value problems for an equation of mixed type with a family of characteristics that cross the line of degeneracy twice”, Differ. Uravn., 1979, Volume 15, Number 8,Pages <nobr>1478

Partial Differential Equations

Investigation of boundary value problems for an equation of mixed type with a family of characteristics that cross the line of degeneracy twice

A. G. Kuz'min

Leningrad State University

UDC: 517.95

Received: 29.12.1977