1. Monge G. Thesis on the theory of excavations and embankments. Photocopies of the memoir published in History of the Royal Academy of Sciences, Paris, Imp. Royal; 1781, p. 666-704.
2. Tolstoi A. N. Methods of finding the minimal total kilometrage in cargo transportation planning in space., TransPress of the National Commissariat of Transportation, vol 1; 1930, p. 23–55.
3. The Distribution of a Product from Several Sources to Numerous Localities