Valentina Yu. Apresjan. Russian possessive constructions with overt ‘be’ and zero copula: rules and errors
RJANO. 2017. № 1 (33), Pages. 86 - 115

Roman V. Ronko. Differential object marking in infinitival clauses in Old Russian
RJANO. 2016. № 1 (31), Pages. 158 - 181