A two-level system in a nonmonochromatic external field

On the behavior of quantum systems in a nonmonochromatic external field

Exact theory of relaxation of two-level systems in a strong nonmonochromatic field

Two-Level System in a Periodic External Field

Investigation of the absorption spectrum of a two-level system in intense nonmonochromatic radiation fields

Linear susceptibility of a three-level system in a strong nonmonochromatic radiation field

Two-level system in a bichromatic field