Virtual package libblas.so.3 is provided by:
dpkg-query: no packages found matching libblis4-openmp dpkg-query: no packages found matching libblis4-pthread dpkg-query: no packages found matching libblis4-serial ||/ Name Version Architecture +++-==========================-===========-==================================== ii libatlas3-base:amd64 3.10.3-13 amd64 Automatically Tuned Linear Algebra Software, generic shared ii libblas3:amd64 3.11.0-2 amd64 Basic Linear Algebra Reference implementations, shared library un libopenblas0-openmp <none> <none> (no description available) ii libopenblas0-pthread:amd64 0.3.21+ds-4 amd64 Optimized BLAS (linear algebra) library (shared lib, pthread) un libopenblas0-serial <none> <none> (no description available) 5 packages