Douglas, J. (1939). Solution of the Inverse Problem of the Calculus of Variations.
Chicago Style citaatDouglas, Jesse. Solution of the Inverse Problem of the Calculus of Variations. 1939.
MLA citatieDouglas, Jesse. Solution of the Inverse Problem of the Calculus of Variations. 1939.
Let op: Deze citaties zijn niet altijd 100% accuraat.