00370nam a2200133Ia 4500008004100000082001600041100002000057245005300077260005000130300000800180650001600188650001800204653001400222170901s1970    xx            000 0 und d  a515.5bO30D  aOhtsuka, Makoto 0aDirichlet Problem Extremal Length and Prime Ends  aNew YorkbVan Nostrand Reinhold Companyc1970  a326  aMathematics  aPure Sciences  aFunctions