00309nam a2200121Ia 4500008004100000041001200041082001900053100001600072245004900088260002400137300001000161650001600171231217s9999 xx 000 0 und d aEnglish a511 UDU;1 `R' aUdupi, G S 0aApplied mathematics for polytechnic students c1987bSubhas Stores aX+187 amathematics