An elementary treatise on the differential calculus : Rev. M. O'Brien ... in which the method of limits is exclusively made use of / O'Brien, M. (Matthew), 1814-1855. Differential calculus. QA304 .O13 517 OBE Cambridge [Eng.] : J. & J. J. Deighton; [etc., etc.] 1842. 1842. 1842 Text x, 231 p. : eng