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When the derived expansion in series of elementary affinors of 
the first kind is applied to the affinor of RirMANN-CHRISTOFFEL 
4 
K =k, k,k,k,, for which is known that 
k, k, ky k, = — k, k, k, k, = — k, k, k, k, — kok, kok, 
Ky ky ky kkk kok, a kok, kj Oro ogee (AS) 
we see that from all nine ordered elementary operators of the first 
kind es3 AP MW is the only one that does not give zero. Therefore 
4 
K itself is an example of an ordered elementary affinor. 
