000
00287nam a2200121Ia 4500
008
220201s2010 xx 000 0 eng d
082
_a
515.3
_b
NAR
100
_a
Narayan, Shanti
245
0
_a
Differential calculus
260
_a
New Delhi
_b
S. Chand
_c
2010
300
_a
698
942
_2
ddc
999
_c
64021
_d
64021