APA (7th ed.) Citation

Norgėla, S. Some decidable classes of formulas of modal logic S4. Vilnius University Press.

Chicago Style (17th ed.) Citation

Norgėla, Stanislovas. Some Decidable Classes of Formulas of Modal Logic S4. Vilnius University Press.

MLA (9th ed.) Citation

Norgėla, Stanislovas. Some Decidable Classes of Formulas of Modal Logic S4. Vilnius University Press.

Warning: These citations may not always be 100% accurate.