Add spaces: OthergameslikeDeliciousCreamPastry

Answer: Other games like Delicious Cream Pastry

Add spaces: Mixberry/fruitpiecesinandpourthebatterintoaformofabout24x24cm.

Answer: Mix berry/fruit pieces in and pour the batter into a form of about 24 x 24 cm.

Add spaces: GivenPetrovsky'sexpertiseindifferentialequations,thetopologyofalgebraiccurvesandsurfacesandmathematicalphysics,itisnotdifficulttoseehisinfluenceonthedirectionthatOleinik'sworkwouldtake.

Answer:
Given Petrovsky 's expertise in differential equations, the topology of algebraic curves and surfaces and mathematical physics, it is not difficult to see his influence on the direction that Oleinik's work would take.