@article{INTO_2018_149_a0, author = {S. N. Askhabov}, title = {Positivity {Conditions} for {Operators} with {Difference} {Kernels} in {Reflexive} {Spaces}}, journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory}, pages = {3--13}, publisher = {mathdoc}, volume = {149}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/INTO_2018_149_a0/} }