When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Lars Valerian Ahlfors, E. Calabi, Marston Morse, Leo Sario, Donald Clayton Spencer. Frontmatter, pg. i FOREWORD, pg. v CONTENTS, pg. 31 AN EXTREMAL BOUNDARY VALUE PROBLEM, pg. 41 ON DIRICHLET'S PRINCIPLE, pg.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.