Lopez-Aguayo, Servando Desyatnikov, Anton S. Kivshar, Yuri S. Media 5: Azimuthons in nonlocal nonlinear media Originally published in Optics Express on 21 August 2006 (oe-14-17-7903) oe;Optics Express;21 August 2006;nonlocal nonlinear media;Azimuthon 2006-08-21
    https://opticapublishing.figshare.com/articles/media/Media_5_Azimuthons_in_nonlocal_nonlinear_media/4934807
10.1364/OE.14.007903.m005