https://vital.lib.tsu.ru/vital/access/manager/Index ${session.getAttribute("locale")} 5 Type I Shapovalov wave spacetimes in the Brans-Dicke scalar-tensor theory of gravity https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001015291 Mon 11 Dec 2023 14:42:29 GMT+07:00 ]]> Quadratic theory of gravity with a scalar field and type I Shapovalov wave spacetimes https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001015293 Mon 11 Dec 2023 14:42:28 GMT+07:00 ]]> An exact model of a gravitational wave in the Bianchi III universe based on Shapovalov II wave spacetime and the quadratic theory of gravity https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001133665 Fri 11 Jul 2025 19:52:52 GMT+07:00 ]]>