Bernhard Riemann 1826-1866 Turning Points In The Conception Of Mathematics
1999 年出版357 页ISBN：0817640401
annals of discrete mathematics 54 Submodular functions and electrical networks
H.Narayanan and l.hammer1997 年出版650 页ISBN：0444825231
Michael L.Cain ; William D.Bowman ; Sally D.Hacker2011 年出版649 页ISBN：0878934454
FREDA ADLER GERHARD O.W.MUELLER WILLIAM S.LAUFER1995 年出版566 页ISBN：0070004714
CHRISTIAN R.HIRSCH MARY ANN NORTON DWIGHT O.COBLENTZ1984 年出版628 页ISBN：0673149013
