The work is devoted to the current questions of the problem on proper values fordouble-measured Shredinger's operator with ruptured coefficients. While researching this problem theauthor uses the procedure developed by well-known researches L. A. Lyusternik – M. I. Vishik.Keywords: boundary conditions, double-measuredoperator shredinger, method by L.A.Lyusternik –M.I.Vishika.
