Bibliography
=============


1. J.R. LEVESQUE, L. VIVAN, Fe WAECKEL: Seismic response by spectral method [:ref:`R4.05.03 <R4.05.03>`].


2. D. SELIGMANN, B. QUINNEZ: Solving algorithms for the generalized problem [:ref:`R5.01.01 <R5.01.01>`].


3. D. SELIGMANN, R. MICHEL: Solving algorithms for the quadratic problem [:ref:`R5.01.02 <R5.01.02>`].


4. Operator NORM_MODE [:external:ref:`U4.52.11 <U4.52.11>`].