1. A. V. Eremin, V. A. Kochnev, and I. M. Naboko, ?An investigation of the formation of a gas jet during discharge into a rarefied space,? Zh. Prikl. Mekh. Tekh. Fiz., No. 2 (1975).
2. A. V. Eremin, V. A. Kochnev, A. A. Kulikovskii, and I. M. Naboko, ?Nonsteady processes in the start-up of strongly under expanded jets,? Zh. Prikl. Mekh. Tekh. Fiz., No. 1 (1978).
3. D. M. Himmelblau, Process Analysis by Statistical Methods, Wiley (1970).
4. S. F. Chekmarev, ?Nonsteady radial expansion of gas into a flooded space from a suddenly turned-on steady source,? Zh. Prikl. Mekh. Tekh. Fiz., No. 2 (1973).
5. D. Golomb and R. E. Good, ?Dimers, cluster, and condensation in free jets. II,? J. Chem. Phys.,57, 3844?3852 (1972).