.245
aSolutions of the examples in a treatise on differential equations
hBook
.100
aFORSYTH, A. R.
.005
a20080205093132
.260
aLondon
bMacmillan
c1923
.084
a515.35 FOR
.300
a250 hlm.
b 21 cm.
c250 hlm.; 21 cm.
.336
aBook