APA citiranje

Foias, C., Gussi, G., & Poenaru, V. (1957). ON THE BASIC APPROXIMATION THEOREM FOR SEMIGROUPS OF LINEAR OPERATORS.

Citação norma Chicago

Foias, C., G. Gussi, and V. Poenaru. ON THE BASIC APPROXIMATION THEOREM FOR SEMIGROUPS OF LINEAR OPERATORS. 1957.

MLA citiranje

Foias, C., G. Gussi, and V. Poenaru. ON THE BASIC APPROXIMATION THEOREM FOR SEMIGROUPS OF LINEAR OPERATORS. 1957.