@article{TIMM_2005_11_1_a3,
     author = {V. D. Batukhtin and S. I. Bigil'deev},
     title = {Inheritance of the differential properties of potentials by functions},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {32--42},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2005_11_1_a3/}
}