In the article, written in Russian, geodesic graphs, graphs with unique
shortest path between every two vertices, are considered. Geodesic graphs
are trees, odd cycles, and nontrivial example, the graph of Petersen. The
article is dated 21.11.74.
Facsimile of 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 1973.