Citation: R. Mennicken et al., ON THE EIGENVALUE ACCUMULATION OF STURM-LIOUVILLE PROBLEMS DEPENDING NONLINEARLY ON THE SPECTRAL PARAMETER, Mathematische Nachrichten, 189, 1998, pp. 157-170
Citation: Aa. Shkalikov, BOUNDARY-VALUE-PROBLEMS WITH THE SPECTRAL PARAMETER IN THE BOUNDARY-CONDITIONS, Zeitschrift fur angewandte Mathematik und Mechanik, 76, 1996, pp. 233-235
Citation: Aa. Shkalikov et C. Tretter, SPECTRAL-ANALYSIS FOR LINEAR PENCILS N-LAMBDA-P OF ORDINARY DIFFERENTIAL-OPERATORS, Mathematische Nachrichten, 179, 1996, pp. 275-305