Rogers, C. A.
Packing and covering - Cambridge Cambridge University Press 1964 - 111 - Cambridge tracts in mathematics and mathematical physics ; 0054 .
B28 K46
519.2 ROG
Packing and covering - Cambridge Cambridge University Press 1964 - 111 - Cambridge tracts in mathematics and mathematical physics ; 0054 .
B28 K46
519.2 ROG