Elementary differential equations and boundary value problems,

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: BOYCE, William E.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: New York, Wiley, c1969.
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Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!