APA (7th ed.) Citation

Felinskij, S. G., Korotkov, P. A., & Felinskij, G. S. (2014). Existence criterion of negative dielectric permittivity in crystals.

Chicago Style (17th ed.) Citation

Felinskij, S. G., P. A. Korotkov, and G. S. Felinskij. Existence Criterion of Negative Dielectric Permittivity in Crystals. 2014.

MLA (8th ed.) Citation

Felinskij, S. G., et al. Existence Criterion of Negative Dielectric Permittivity in Crystals. 2014.