Google scholar: | https://scholar.google.is/citations?hl=ru&user=Xqz07PcAAAAJ&view_op=list_works&gmla=AJsN-F6wiBM0ePfWGIt1dnPPkhVREd92Pr_p04AHZBpEtwDosKpcsKCKGqcyaY7446mHqFSDDnJso0fao0QE6AW9643ygxwbTOMUmJXkRPs2EHpnUgbrU14TrMU141QBP7HlqPvMVx-xpCIQs4mX8gm0fpVrmJfz3r6GHeu3o2WuI55YeiL6mfc6ywXktyu846USxjYwlB5vqbNmixTnE5yU |