00552nam a2200121Ia 4500008004100000082001900041100005700060245017900117260005100296300001000347490003900357700003400396250506b        |||||||| |||| 00| 0 eng d  a515.5bP768.AF  aPolish Academy of Sciences, Institute of Mathematics  aApproximation and function spaces; papers of the 27th semester which took place at the Stefan Banach International Mathematical center in Warsaw during Feb. 27-May 27 of 1986  aWarszawa:bPolish Scientific Publishers,c1989  a486p.  aBanach Centre Publicationsv v. 22  aCiesiclski, Zbignieweeditor.