Items where Author is "LANGER, H"
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ATKINSON, FV and LANGER, H and MENNICKEN, R and SHKALIKOV, AA (1994) THE ESSENTIAL SPECTRUM OF SOME MATRIX OPERATORS. MATHEMATISCHE NACHRICHTEN, 167. pp. 5-20. ISSN 0025-584X,
LANGER, H and MENNICKEN, R and MOLLER, M (1993) EXPANSION OF ANALYTIC-FUNCTIONS IN SERIES OF FLOQUET SOLUTIONS OF 1ST-ORDER DIFFERENTIAL-SYSTEMS. MATHEMATISCHE NACHRICHTEN, 162. pp. 279-314. ISSN 0025-584X, 1522-2616
LANGER, H and MENNICKEN, R and MOLLER, M (1992) ON FLOQUET EIGENVALUE PROBLEMS FOR 1ST ORDER DIFFERENTIAL-SYSTEMS IN THE COMPLEX-DOMAIN. JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 425. pp. 87-121. ISSN 0075-4102,
LANGER, H and NAJMAN, B and VESELIC, K (1992) PERTURBATION OF THE EIGENVALUES OF QUADRATIC MATRIX POLYNOMIALS. SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 13 (2). pp. 474-489. ISSN 0895-4798,
LANGER, H and MOLLER, M (1991) LINEARIZATION OF BOUNDARY EIGENVALUE PROBLEMS. INTEGRAL EQUATIONS AND OPERATOR THEORY, 14 (1). pp. 105-119. ISSN 0378-620X, 1420-8989
