Reference Yoshikawa, Takeo (http://216.239.57.104/search?q=cache:iQJsXhA8SSwC:www.angelfire.com/dc/1spy/Yoshikawa+Takeo+Yoshikawa&hl=en&ie=UTF-8)
... different contexts in which the cases are used for the pronouns: mayaa tatam idam sarvam jagad avyaktamuurtinaa | matsthaani sarvabhuutaani na caaham ...