000
00257nam a2200109Ia 4500
008
220201s1992 xx 000 0 eng d
100
_a
Sharma, GS & Sharma
245
0
_a
Engineering mathematics
250
_a
3rd
260
_b
Delhi: CBS
_c
1992
942
_2
ddc
999
_c
85961
_d
85961