https://mathworld.wolfram.com/HolonomicSystem.html
Holonomic System -- from Wolfram MathWorld
A holonomic system is a system of linear partial differential equations with a finite-dimensional space of local solutions at a generic nonsingular point. The...
holonomic systemwolfram mathworld
https://ems.press/journals/prims/articles/3681
Blow up for a Holonomic System | EMS Press
blow upfor aholonomic systemems press