Sharaf, P.A. and Mominkhan, Z. 2013. New Analytical and Empirical Expressions for the Percentage of the Star’s Flux Through TransparentAtmosphere Between Two Wave Lengths. JOURNAL OF ADVANCES IN MATHEMATICS. 4, 2 (Nov. 2013), 462–468. DOI:https://doi.org/10.24297/jam.v4i2.2497.