%0 Journal Article %T Case study: On most general exact solution of plasma sheath model for a negatively biased probe %A R. A. Swady %A M. K. Jasim %J Advanced Studies in Theoretical Physics %D 2012 %I %U http://www.m-hikari.com/astp/astp2012/astp9-12-2012/jasimASTP9-12-2012.pdf