COMBINATORIAL PROBLEMS AND EXERCISES LASZLO LOVASZ Professor of Mathematics Eotvos Lorand University Budapest Hungary

LINK ORIGINAL EN LA WEB FORMAT DJVU
ftp://nozdr.ru/biblio/kolxo3/M/MA/MAc/Lovasz%20L.%20Combinatorial%20problems%20and%20exercises%20(2ed.,%20NH,%201993)(ISBN%20044481504X)(T)(630s)_MAc_.djvu
LINK ALTERNATIVO PDF
http://www.mediafire.com/download/rms4d36blnw737d/Lovasz_L._Combinatorial_problems_and_exercises.pdf