Hill, J. M. (1982). Solution of differential equations by means of one-parameter groups. Pitman Advanced Publishing Program.
Cita Chicago (17th ed.)Hill, J. M. Solution of Differential Equations by Means of One-parameter Groups. Boston: Pitman Advanced Publishing Program, 1982.
Cita MLA (9th ed.)Hill, J. M. Solution of Differential Equations by Means of One-parameter Groups. Pitman Advanced Publishing Program, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.