Cita APA (7th ed.)
Sikkema, P. C. (1953). Differential Operators and differential equations of infinite order with constant coefficients: Researches in connection with integral functions of finite order.
Cita Chicago (17th ed.)
Sikkema, Pieter Cornelis. Differential Operators and Differential Equations of Infinite Order with Constant Coefficients: Researches in Connection with Integral Functions of Finite Order. Groningen, Djakarta, 1953.
Cita MLA (9th ed.)
Sikkema, Pieter Cornelis. Differential Operators and Differential Equations of Infinite Order with Constant Coefficients: Researches in Connection with Integral Functions of Finite Order. 1953.
Atenció: Aquestes cites poden no estar 100% correctes.