proj4.defs("EPSG:3842","+proj=tmerc +lat_0=0 +lon_0=18 +k=1 +x_0=6500000 +y_0=0 +ellps=krass +towgs84=5,-133,-104,-1.4,-2,3.4,-3.9901 +units=m +no_defs +type=crs");