00442nam a2200121Ia 4500008004100000040001600041041001200057082001800069100002000087245015500107260004700262300001100309230917s9999||||xx |||||||||||||| ||und||  e63474aMAIN  aEnglish  a515.624 B985L  aButzer, P L, ed 0aLinear spaces and approximation: proceeding of the conference held at the oberwolfach mathematical reserach institute, black forest August 20-27, 1977  aOberwolfachbBrikhauser Verlag Baselc1978  a685 p.