feat: add blas/ext/base/ndarray/ssumors

Author: MeKaustubh07

lib/node_modules/@stdlib/blas/ext/base/ndarray/ssumors/README.md

@@ -97,6 +97,16 @@ console.log( v );
 
 <!-- /.examples -->
 
+<section class="references">
+
+## References
+
+-   Shewchuk, Jonathan Richard. 1997. "Adaptive Precision Floating-Point Arithmetic and Fast Robust Geometric Predicates." _Discrete & Computational Geometry_ 18 (3): 305–63. doi:[10.1007/pl00009321][@shewchuk:1997a].
+
+</section>
+
+<!-- /.references -->
+
 <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
 
 <section class="related">
@@ -109,6 +119,8 @@ console.log( v );
 
 <section class="links">
 
+[@shewchuk:1997a]: https://doi.org/10.1007/pl00009321
+
 </section>
 
 <!-- /.links -->