ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The analysis given here shows that (a) is incorrect, and that (6) is valid only for certain classes of heterocyclic ring systems. Let us consider first the infinite ring, whether homomorphic or heteromorphic. It is clear that as nr-〉co the number of terms in equations (3) or (4), all finite and ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/1961307a0
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