1. ICGM Univ. Montpellier CNRS, ENSCM Montpellier France
2. Institute of Organometallic Chemistry of Russian Academy of Sciences 49 Tropinina str., GSP-445 630950 Nizhny Novgorod Russia
3. Institute of Organoelement Compounds of Russian Academy of Sciences 28 Vavilova str. 119334 Moscow Russia