00363nam a2200133Ia 4500082001800000100002700018245006100045260002300106300001400129490004900143500002700192500000500219700000500224  a512bAb147.LE  aAbhyankar, Shreeram S.  aLectures on expansion techniques in algebraic geometryb  aBombaybTIFRc1977  aiv, 168p.  aTIFR Lectures on Mathematics and Physics, 57  aNotes by Balwant Singh  a  a