000
00307nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Durf (G.F.C) and Naylor (Derek).
245
0
_a
Differential equations of applied mathematics
260
_b
W.I.E
260
_c
1966
365
_b
2687.1
942
_c
BK
999
_c
209147
_d
209147