Koribut, A. V.; Grudtsin, Y. V.; Mikheev, L. D. Effect of Group Delay Dispersion on Femtosecond Pulse Self-Shortening in Kerr Media: Investigation of Femtosecond Pulse Self-Shortening Phenomenon Based on the Transient Regime of Multiple Filamentation in Kerr Media With Different Group Delay Dispersion. KEG 2018, 3, 174–179.