Jungnickel, D..
Combinatorial Theory / - 1st ed / - Berlin-33 : Springer-Verlag , 1980 - p.326 :
3-540-11971-X
Mathematics
B:271p552,N2 / M2
Combinatorial Theory / - 1st ed / - Berlin-33 : Springer-Verlag , 1980 - p.326 :
3-540-11971-X
Mathematics
B:271p552,N2 / M2