6. Bibliography#
J.R. LEVESQUE, L. VIVAN, Fe WAECKEL: Seismic response by spectral method [R4.05.03].
SELIGMANN, B. QUINNEZ: Solving algorithms for the generalized problem [R5.01.01].
SELIGMANN, R. MICHEL: Solving algorithms for the quadratic problem [R5.01.02].
Operator NORM_MODE [U4.52.11].