Churchill, Ruel V.
Operational mathematics - 3rd ed. - New York McGraw-Hill 1972 - xii, 481 p. ill 23 cm.
Includes bibliographies
0070108706
Differential equations
517.75 / CHU/1972
Operational mathematics - 3rd ed. - New York McGraw-Hill 1972 - xii, 481 p. ill 23 cm.
Includes bibliographies
0070108706
Differential equations
517.75 / CHU/1972