Piaggio, H. T. H. (1952). An Elementary Treatise on Differential Equations: And their applications (Revised ed.). G. Bell and Sons, Ltd..
Citación estilo ChicagoPiaggio, H. T. H. An Elementary Treatise on Differential Equations: And Their Applications. Revised ed. London: G. Bell and Sons, Ltd., 1952.
Cita MLAPiaggio, H. T. H. An Elementary Treatise on Differential Equations: And Their Applications. Revised ed. G. Bell and Sons, Ltd., 1952.
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