00440    a2200133   4500020001500000020001800015082001200033100001800045245015200063260003100215300002100246700001900267700002000286  a9048160952  a978904816095204a515.3541 aAgarwal, R.P.10aOscillation theory for second order linear, half-linear, superlinear and sublinear dynamic equations /cR.P. Agarwal, Said R. Grace, Donal O'Regan.  a[S.l.] :bSpringer,c2002.  a686 p. ;c25 cm.1 aGrace, Said R.1 aO'Regan, Donal.