@article{SJIM_2007_10_4_a0,
     author = {Yu. E. Anikonov and M. V. Neshchadim},
     title = {An identity for approximate quantum equations, and inverse problems},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {3--9},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2007_10_4_a0/}
}