00637nam a22002051 4500 1/20371 031110s1991 enk 0 1 eng d 0852742223 20960 DLC GR-PeUP 511.5 AN Andrasfai, Bela. Graph theory : flows, matrices / Bela Andrasfai Bristol : A. Hilger, 1991 x, 280 p. : ill. ; 25 cm. Includes bibliography and index Graph theory. Matrices. INST UNIPILB MAIN 20040709 511.5 AN 00142446 00142446 LOAN 0 1 /webopac/covers/01/20960_0852742223.jpg