Dergiler / International Electronic Journal of Geometry / 2019 / Cilt: 12 - Sayı: 2Douglas-Square Metrics with Vanishing Mean Stretch CurvatureAkbar TAYEBI, Neda IZADIANDergiInternational Electronic Journal of GeometrySayı2019 · Cilt: 12 - Sayı: 2Sayfa188–201DOI—