00389nam a2200133 a 450000500170000002000150001708200180003210000220005024500810007225000140015326000460016730000260021370000160023920251203111211.0  a0821831712  a512.9434bGAN  aGantmacher, F. P.  aOscilllation Matrices and Kernels and Small Vibrations of Mechanical Systems  aRev. Edn.  aRhode IslandbAMS celsea publishingc2002  aviii,310p.c26cm.cHB  aKrein, M.G.