Optical photometry of the PSR B0656+14 and its neighborhoodA. B. Koptsevich, G. G. Pavlov, S. V. Zharikov, V. V. Sokolov, Yu. A. Shibanov and V. G. KurtA&A, 370 3 (2001) 1004-1016DOI: https://doi.org/10.1051/0004-6361:20010289