Sibuya, Y. (1975). Global theory of a second order linear ordinary differential equation with a polynomial coefficient. North Holland Publishing Company.
Chicago-tyylinen lähdeviittausSibuya, Y. Global Theory of a Second Order Linear Ordinary Differential Equation with a Polynomial Coefficient. NewYork: North Holland Publishing Company, 1975.
MLA-viiteSibuya, Y. Global Theory of a Second Order Linear Ordinary Differential Equation with a Polynomial Coefficient. North Holland Publishing Company, 1975.
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