Lang, S. (1973). Calculus of several variables. Addison-Wesley Pub. Co.
Dyfyniad Arddull ChicagoLang, Serge. Calculus of Several Variables. Reading, Mass.: Addison-Wesley Pub. Co, 1973.
Dyfyniad MLALang, Serge. Calculus of Several Variables. Addison-Wesley Pub. Co, 1973.
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