Introduction to higher algebra / Maxime Bôcher. Prepared for publication with the cooperation of E.P.R. Duval. Bôcher, Maxime, 1867-1918. Duval, E. P. R. (Edmund Pendleton Randolph) Algebra. QA155 .B66 1919 512 BOI Includes index New York : Macmillan, 1922. 1922. 1922 Text xi, 321 p. ; eng