Books

1. V. Tilvis and E. V. Vesalainen
   Pitkän matematiikan lisäsivut 3: Geometria
   Viipurin Reaalikoulu Oy, 2020
   ISBN 978–952–69550–4–9 (paperback, 255 pages)
   ISBN 978–952–69550–5–6 (pdf, 182 pages)
   (The print version contains full solutions to all of the problems whereas the online version does not.)
2. V. Tilvis and E. V. Vesalainen
   Pitkän matematiikan lisäsivut 2: Algebra
   Viipurin Reaalikoulu Oy, 2020
   ISBN 978–952–69550–2–5 (paperback, 124 pages)
   ISBN 978–952–69550–3–2 (pdf, 86 pages)
   (The print version contains full solutions to all of the problems whereas the online version does not.)
3. V. Tilvis and E. V. Vesalainen
   Pitkän matematiikan lisäsivut 1: Täsmällinen päättely
   Viipurin Reaalikoulu Oy, 2020
   ISBN 978–952–69550–0–1 (paperback, 99 pages)
   ISBN 978–952–69550–1–8 (pdf, 71 pages)
   (The print version contains full solutions to all of the problems whereas the online version does not.)
4. E. V. Vesalainen
   On Non-Scattering Energies
   Doctoral thesis, University of Helsinki, 2014, 89 pages
   ISBN 978–951–51–0012–2 (paperback)
   ISBN 978–951–51–0013–9 (pdf)