00419nam a2200133Ia 4500082002100000100001900021245008800040260002600128300002000154500005200174500000500226700002400231700003000255  a515.35bSo677.PD  aSobolev, S. L.  aPartial differential equations of mathematical physicsbcEd. by T. A. A. Broadbent  aNew YorkbDoverc1989  aix, 427p. Index  a"Tr. from the 3rd Russian ed. by E. R. Dawson".  a  aDawson, E. R. ; tr.  aBroadbent, T. A. A. ; ed.