New nickel and rare-earth diketonates and their catalytic activity in homogeneous polymerisation of α olefins
Journal article published in 2005 by
Andriy Grafov 
,
L. I. Koval,
M. L. Dias,
I. A. Grafova,
M. R. Benzi,
S. V. Volkov
,
L. I. Koval,
M. L. Dias,
I. A. Grafova,
M. R. Benzi,
S. V. Volkov
