Erdelyi, A. (1961). Lectures on asymptotic solutions of ordinary linear differential equations. Mathematics Dept., California Institute of Technology.
Lua i Stíl Chicago (17ú heag.)Erdelyi, Arthur. Lectures on Asymptotic Solutions of Ordinary Linear Differential Equations. Pasadena, Calif.: Mathematics Dept., California Institute of Technology, 1961.
Lua MLA (8ú heag.)Erdelyi, Arthur. Lectures on Asymptotic Solutions of Ordinary Linear Differential Equations. Mathematics Dept., California Institute of Technology, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.