Probing ionizing radiation of L [less than or approximately equal to] 0.1 L [star] star-forming galaxies at z [less than or approximately equal to] 3 with strong lensing - Vanzella, Eros; Zitrin, Adi; Bartelmann, Matthias (Monthly notices of the Royal Astronomical Society. Letters, 2012)
Im Titel ist [less than or approximately equal to] als mathematisches Zeichen dargestellt