Purkayastha, Sumitra2012-12-102012-12-101991Sankhya : The Indian Journal of Statistics, v 53, no. 1, p 77-83http://hdl.handle.net/10263/5021enCircular symmetryMaximum likehood characterizationMedian directionRotational symmetryA rotationally symmetric directional distribution:obtained through maximum likehood characterizationArticle