Ėkonomiko-matematicheskoe modelirovanie trudovykh zatrat i sebestoimosti ugli͡a︡
By: V.I. Lobunet͡s︡ [i dr.]
Contributors: Lobunet͡s︡, V. I.
Publisher: "Nedra"
Published: 1971
Place of publication: Moskva
Language: rus
Number of pages: 135
Subjects: Coal mines and mining -- Mathematical models.
Notes: Bibliogrpahy: p. 133-[134].