00310nam a2200121Ia 4500008004100000082001500041100001800056245002500074260004700099300001000146630001800156650001400174211109s9999||||xx |||||||||||||| ||und||  a510bWIL-M  aBand, William 0aMathematical Physics  bD.Van Nostrand Company Inc.aTorontoc1900  a326p.  xGENERAL STACK  vGeneralia