NMR of water colloidal solutions of nanosized crystalline particles of LaF3 and LaF3:Gd3+ - E. M. Alakshin; B. I. Gizatullin; Ju. Zakharov; A. V. Klochkov; T. M. Salikhov; V. D. Skirda; M. S. Tagirov (Low Temperature Physics, 2015)