Drong 58877   KSgv_der
[M]
gv
KSM(nf)
0
[M]
gv
KSM(nf)
2
[M]
gv
KSM(v)
2
[M]2
[M]
gv
KSM(nm)
2
[M]
gv
KSM(nm)
2