1H- and 31P-NMR spectroscopy study of paramagnetic lanthanide coordination compounds |LnL3 • Phen| (L = CCl3C(O)NP(O)(OCH3)2) - V. A. Trush; O. O. Litsis; Yu. Sliva; Ya. O. Gumenyuk; V. M. Amirkhanov (Ukrainian journal of physics, 2019)