1. Dongarrd, J. J., Bunch, J. R., Moler, C. B., and Steward, G. W., 1979, LINPACK User’s Guide, SIAM, Philadelphia.
2. Favard, J., Course of Local Differential Geometry, Gauthier-Villars, Paris (in French, translated into Russian).
3. Litvin, F. L., 1960, 1968, Theory of Gearing, 1st ed. (1960), 2nd ed. (1968), Nauka (in Russian).
4. Litvin, F. L., 1969, “Die Beziehungen Zwischen den Kru¨mmungen der Zahnoberfla¨chen bei Ra¨umlichen Verzahnungen,” Z. Angew. Math. Mech. 49, pp. 685–690 (in German).
5. Litvin, F. L., Pahman, P., and Goldrich, R. N., 1982, “Mathematical Models for the Synthesis and Optimization of Spiral Bevel Gear Tooth Surfaces,” NASA CR-3553.