Hirsch, M. W. (1976). Differential topology. New York: Springer-Verlag.
Trích dẫn kiểu ChicagoHirsch, Morris W. Differential Topology. New York: Springer-Verlag, 1976.
Deismireacht MLAHirsch, Morris W. Differential Topology. New York: Springer-Verlag, 1976.
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