@article{TVP_1998_43_3_a0,
     author = {I. A. Ibragimov and R. Z. Khas'minskii},
     title = {Estimation problems for coefficients of stochastic partial differential equations. {Part~I}},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {417--438},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1998_43_3_a0/}
}