000
00300nam a2200109Ia 4500
008
230411s9999 xx 000 0 und d
082
_a
515.35
_b
AYR
100
_a
AYRES (FRANK)
245
0
_a
Theory and Problems of Differential Equations in SI Metric Units
260
_b
MGH
_a
New Delhi
942
_c
BK
999
_c
1311
_d
1311