Uspekhi Fizicheskih Nauk · 1967 · 278 citations · 0 references
Natural SciencesPhysicsOpticsPhotonicsPropagationDiffractionNonlinear MechanicsNonlinear OpticsNonlinear Wave DynamicsPhysical OpticsWave OpticsAmplificationNonlinear DiffractionNonlinear Optical EffectsNonlinear Wave DiffractionNonlinear Wave OpticsOptical Parametric AmplificationParametric AmplificationSelf-focusing