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The investigation of VHE gamma-ray sources by any methods, including mirrorCherenkov telescopes, touches on the problem of the cosmic ray origin and,accordingly, the role of the Galaxy in their generation. The SHALONobservations have yielded the results on Galactic shell-type supernova remnants(SNR) on different evolution stages. Among them are: SNRs Tycho's SNR, Cas A,IC 443, $\gamma$Cygni SNR and classical nova GK Per (Nova 1901). For each ofSNRs the observation results are presented with spectral energy distribution bySHALON in comparison with other experiment data and images by SHALON. Thecollected experimental data have confirmed the prediction of the theory aboutthe hadronic generation mechanism of very high energy 800 GeV - 100 TeV$\gamma$-rays in Tycho's SNR, Cas A and IC443.

Very Hight Energy Observationa of Shell-Type Supernova Remnants with SHALON Mirror Cherenkov Telescopes