ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[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 ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/1961307a0
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