1H- and 31P-NMR spectroscopy study of paramagnetic lanthanide coordination compounds |LnL3 Phen| (L = CCl3C(O)NP(O)(OCH3)2) - V. O. Trush; O. O. Litsis; Yu. Slyva; Ya. O. Humeniuk; V. M. Amirkhanov (Ukrainian Journal of Physics, 2019)