@article{MZM_2003_74_3_a15,
     author = {V. G. Bondarenko},
     title = {Logarithmic {Gradient} of the {Heat} {Kernel} on {Riemannian} {Manifolds}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {471--474},
     year = {2003},
     volume = {74},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_74_3_a15/}
}