@article{CTT100785123,
  author = {Marek Fila and Hiroshi Matano and Eiji Yanagida},
  title = {Non-uniqueness of solutions of a semilinear heat equation with singular initial data},
  journal = {Springer Proc. Math. Stat.},
  year = 2017,
}

@article{CTT100785121,
  author = {Khin Phyu Phyu Htoo and Eiji Yanagida},
  title = {Singular solutions of a superlinear parabolic equation with homogeneous Neumann boundary conditions},
  journal = {Nonlinear Analysis},
  year = 2017,
}