Santarsiero, M Shape-invariance properties of a quartic-aberrated TEM00 Gaussian beam. [electronic resource] - Journal of the Optical Society of America. A, Optics, image science, and vision Jul 2001 - 1650-5 p. digital Publication Type: Journal Article ISSN: 1084-7529 Standard No.: 10.1364/josaa.18.001650 doi