TY - JOUR AU - G. M. Polotovskiy TI - V. A. Rokhlin and D. A. Gudkov against the background of Hilbert's 16th problem (according to their correspondence in 1971–1982) JO - Zapiski Nauchnykh Seminarov POMI PY - 2020 SP - 157 EP - 167 VL - 498 UR - http://geodesic.mathdoc.fr/item/ZNSL_2020_498_a10/ LA - ru ID - ZNSL_2020_498_a10 ER -