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Notes in the graph theory. A manuscript (with flower snark J5)
(2013-12-13)
This fragment of manuscripts, written in Latvian, is taken from a hardcover
notebook of E.Grinbergs. The date when these notes started 29.7.72 is
clearly seen on the first page, on the page 7 the date is 31.8.72, on 10th ...
Motives for reflections. Part two
(2013-12-13)
Facsimile of a manuscript from the archive of Emanuels Grinbergs, University of Latvia.
The article (in three pieces of manuscripts), written in Russian, contains some reflections on graph theory. It may be written in ...
Daži trīssakarīgi grafi un to saimes bez Hamiltona cikliem
(2013-12-17)
These manuscripts (in Latvian) contain examples of graphs without
Hamiltonian cycles. See the flower snark J5 on the page 13. The date here
1.6.78.