Ayres, Frank Ault, J.C. ed.
Theory and problems of differential equations : SI metric units - 1st ed. - New York McGraw Hill 1972 - 295p. - Schaum's outline series .
517.91(076) / A9
Theory and problems of differential equations : SI metric units - 1st ed. - New York McGraw Hill 1972 - 295p. - Schaum's outline series .
517.91(076) / A9