000
00291nam a2200121Ia 4500
008
200906s9999 xx 000 0 und d
082
_a
517.2 G661
100
_a
GORAK PRASAD
245
0
_a
DIFFERENTIAL CALCULUS
260
_b
POTHISHALA LTD., ALLAHBAD
_c
1959
300
_a
23X13
942
_c
BK
999
_c
61134
_d
61134