00336nam a2200121 a 450000500170000008200180001710000190003524500580005426000210011230000260013349000350015963000200019420251203090448.0  a531.1133bBHA  aBhatnagar, P.L  aNonlinear waves in one dimensional dispersive systems  aDelhibOUPc1979  axii,142 p.b22cm.cPB  aOxford mathematical monographs  aNonlinear waves