00326nam a2200121Ia 4500082002000000100001900020245005400039260003400093300001300127490005400140500000500194700000500199  a515.72bB948.CC  aBurckel, R. B.  aCharacterizations of C(x) among its subalgebrasb  aNew YorkbMarcel Dekkerc1972  ax, 159p.  aLecture notes in Pure and Applied Mathematicsv 6  a  a