A. A. Malyutin, V. A. Ilyukhin, “Generation of high-order Hermite–Gaussian modes in a flashlamp-pumped neodymium phosphate glass laser and their conversion to Laguerre–Gaussian modes”, Kvantovaya Elektronika, 37:2 (2007), 181–186 [Quantum Electron., 37:2 (2007), 181–186]
