000
00291nam a2200097Ia 4500
008
220201s1992 xx 000 0 eng d
100
_a
MUKHOPADHYAY (AK)
245
0
_a
INTRODUCTION TO THE CALCULUS OF VARIATION FOR ENGINEERS & ECONOMISTS
260
_b
KHANNA PUB. NEW DELHI
_c
1992
942
_2
ddc
999
_c
95733
_d
95733