000
00293nam a2200109Ia 4500
008
190802s9999 xx 000 0 und d
100
_a
Q. K. Ghori
245
3
_a
An Introduction to ordinary differential equations
260
_a
Islamabad
_b
Comsets Institute
_c
2004
300
_a
166:p
942
_c
BK
999
_c
2461
_d
2461