Berczyński P, Kravtsov Y. Gaussian beam evolution in nonlinear inhomogeneous fibres. Photonics Lett. Pol. [Internet]. 2012 Mar. 29 [cited 2024 Apr. 18];4(1):pp. 26-28. Available from: https://www.photonics.pl/PLP/index.php/letters/article/view/4-10