[math-fun] Getting two bangs for your buck

Can anyone help me find information about A S Bang, e.g., A.~S.~Bang, {\it Tidskrift for Math.}, 1897, p. 48. AS OPPOSED TO Th\o ger Sophus Vilhelm Bang, 1917-1996 A Solution of the 'Plank Problem.' {\it Proc.\ Amer.\ Math.\ Soc.} {\bf2}(1951) 990-993. ?? Thanks in anticipation. R.