International Electrotechnical Commission. (1977). Vocabulaire electrotechnique international: Chap. 101: Mathematiques. Bureau Central de la Commission Electrotechnique Internationale.
Cita Chicago (17th ed.)International Electrotechnical Commission. Vocabulaire Electrotechnique International: Chap. 101: Mathematiques. Geneve: Bureau Central de la Commission Electrotechnique Internationale, 1977.
Cita MLA (8th ed.)International Electrotechnical Commission. Vocabulaire Electrotechnique International: Chap. 101: Mathematiques. Bureau Central de la Commission Electrotechnique Internationale, 1977.
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