@article{JMAG_2019_15_1_a3,
     author = {Vladimir Rovenskiǐ and Tomasz Zawadzki},
     title = {The {Einstein{\textendash}Hilbert} type action on {pseudo-Riemannian} almost-product manifolds},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {86--121},
     year = {2019},
     volume = {15},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2019_15_1_a3/}
}