Ayres, F. (1972). Sohaun ́s aoutline of theory and problems of differential equations in SI metric units. McGraw Hill.
Citace podle Chicago (17th ed.)Ayres, Frank. Sohaun ́s Aoutline of Theory and Problems of Differential Equations in SI Metric Units. New York: McGraw Hill, 1972.
Citace podle MLA (9th ed.)Ayres, Frank. Sohaun ́s Aoutline of Theory and Problems of Differential Equations in SI Metric Units. McGraw Hill, 1972.
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