@online{huangndode,
  author       = {Huang, Xuanqiang Angelo},
  title        = {{ODE} Solutions},
  organization = {Xuanqiang Angelo Huang's Blog},
  url          = {https://flecart.github.io/notes/ode-solutions/},
  langid       = {english},
  abstract     = {ODE Solution Techniques — The Standard Toolkit \# The whole discipline of solving ODEs by hand reduces to classification first, method second . Almost every "trick" is a recognition heuristic: spot the form, apply the canonical transformation that collapses it onto something integ}
}