@article{MM_1991_3_7_a6,
     author = {N. L. Zhokhov and A. A. Kozlov and Yu. P. Pyt'ev},
     title = {On the limit possibility of second order gauges with concentrated parameters},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {57--70},
     publisher = {mathdoc},
     volume = {3},
     number = {7},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1991_3_7_a6/}
}