Campbell, S. L. V. (1982). Singular systems of differential equations II. San Francisco: Pitman Advanced.
Citación estilo ChicagoCampbell, Stephen La Vern. Singular Systems of Differential Equations II. San Francisco: Pitman Advanced, 1982.
Cita MLACampbell, Stephen La Vern. Singular Systems of Differential Equations II. San Francisco: Pitman Advanced, 1982.
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