SN 1978K: An evolved supernova outside our Local Group detected at millimetre wavelengthsS. D. Ryder, R. Kotak, I. A. Smith, S. J. Tingay, E. C. Kool and J. PolshawA&A, 595 (2016) L9DOI: https://doi.org/10.1051/0004-6361/201629763